| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package cmd |
| |
| import ( |
| "fmt" |
| "os" |
| "path/filepath" |
| ) |
| |
| import ( |
| "github.com/spf13/cobra" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/core" |
| cmd2 "github.com/apache/dubbo-kubernetes/pkg/core/cmd" |
| "github.com/apache/dubbo-kubernetes/pkg/core/cmd/version" |
| dubbo_log "github.com/apache/dubbo-kubernetes/pkg/log" |
| ) |
| |
| var controlPlaneLog = core.Log.WithName("dubbo-cp") |
| |
| // newRootCmd represents the base command when called without any subcommands. |
| func newRootCmd() *cobra.Command { |
| args := struct { |
| logLevel string |
| outputPath string |
| maxSize int |
| maxBackups int |
| maxAge int |
| }{} |
| cmd := &cobra.Command{ |
| Use: "dubbo-cp", |
| Short: "Universal Control Plane for Envoy-based Service Mesh", |
| Long: `Universal Control Plane for Envoy-based Service Mesh.`, |
| PersistentPreRunE: func(cmd *cobra.Command, _ []string) error { |
| level, err := dubbo_log.ParseLogLevel(args.logLevel) |
| if err != nil { |
| return err |
| } |
| |
| if args.outputPath != "" { |
| output, err := filepath.Abs(args.outputPath) |
| if err != nil { |
| return err |
| } |
| |
| fmt.Printf("%s: logs will be stored in %q\n", "dubbo-cp", output) |
| core.SetLogger(core.NewLoggerWithRotation(level, output, args.maxSize, args.maxBackups, args.maxAge)) |
| } else { |
| core.SetLogger(core.NewLogger(level)) |
| } |
| |
| // once command line flags have been parsed, |
| // avoid printing usage instructions |
| cmd.SilenceUsage = true |
| |
| return nil |
| }, |
| } |
| |
| cmd.SetOut(os.Stdout) |
| |
| // root flags |
| cmd.PersistentFlags().StringVar(&args.logLevel, "log-level", dubbo_log.InfoLevel.String(), cmd2.UsageOptions("log level", dubbo_log.OffLevel, dubbo_log.InfoLevel, dubbo_log.DebugLevel)) |
| cmd.PersistentFlags().StringVar(&args.outputPath, "log-output-path", args.outputPath, "path to the file that will be filled with logs. Example: if we set it to /tmp/dubbo.log then after the file is rotated we will have /tmp/dubbo-2021-06-07T09-15-18.265.log") |
| cmd.PersistentFlags().IntVar(&args.maxBackups, "log-max-retained-files", 1000, "maximum number of the old log files to retain") |
| cmd.PersistentFlags().IntVar(&args.maxSize, "log-max-size", 100, "maximum size in megabytes of a log file before it gets rotated") |
| cmd.PersistentFlags().IntVar(&args.maxAge, "log-max-age", 30, "maximum number of days to retain old log files based on the timestamp encoded in their filename") |
| |
| // sub-commands |
| cmd.AddCommand(newRunCmdWithOpts(cmd2.DefaultRunCmdOpts)) |
| cmd.AddCommand(version.NewVersionCmd()) |
| |
| return cmd |
| } |
| |
| func DefaultRootCmd() *cobra.Command { |
| return newRootCmd() |
| } |
| |
| // Execute adds all child commands to the root command and sets flags appropriately. |
| // This is called by main.maixn(). It only needs to happen once to the rootCmd. |
| func Execute() { |
| if err := DefaultRootCmd().Execute(); err != nil { |
| os.Exit(1) |
| } |
| } |